linux-kernel - Re: [PATCH] interconnect: Fix a GCC compiler warning

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Message-ID: <5B9F6B8B.7020100@huawei.com>
Date:   Mon, 17 Sep 2018 16:53:31 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <georgi.djakov@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Greg KH <gregkh@...uxfoundation.org>
CC:     <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] interconnect: Fix a GCC compiler warning

+to Greg and Andrew.

On 2018/9/16 22:31, zhong jiang wrote:
> Fix the following compile warning:
>
> drivers/interconnect/core.c:26:23: warning: icc_debugfs_dir defined but not used [-Wunused-variable]
>  static struct dentry *icc_debugfs_dir;
>
> Signed-off-by: zhong jiang <zhongjiang@...wei.com>
> ---
>  drivers/interconnect/core.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
> index 2740f1a..9ea9959 100644
> --- a/drivers/interconnect/core.c
> +++ b/drivers/interconnect/core.c
> @@ -23,7 +23,10 @@
>  static DEFINE_IDR(icc_idr);
>  static LIST_HEAD(icc_provider_list);
>  static DEFINE_MUTEX(icc_lock);
> +
> +#ifdef CONFIG_DEBUG_FS
>  static struct dentry *icc_debugfs_dir;
> +#endif
>  
>  /**
>   * struct icc_req - constraints that are attached to each node